Conditionally fetch /nodeinfo/2.1.json for Pleroma < 2.1, #137

app/soapbox/actions/instance.js

@@ -1,18 +1,36 @@
 import api from '../api';
+import { get } from 'lodash';
+import { parseVersion } from 'soapbox/utils/features';
 
-export const INSTANCE_IMPORT  = 'INSTANCE_IMPORT';
-export const INSTANCE_FAIL    = 'INSTANCE_FAIL';
+export const INSTANCE_IMPORT = 'INSTANCE_IMPORT';
+export const INSTANCE_FAIL   = 'INSTANCE_FAIL';
+export const NODEINFO_IMPORT = 'NODEINFO_IMPORT';
+export const NODEINFO_FAIL   = 'NODEINFO_FAIL';
 
 export function fetchInstance() {
   return (dispatch, getState) => {
     api(getState).get('/api/v1/instance').then(response => {
       dispatch(importInstance(response.data));
+      const v = parseVersion(get(response.data, 'version'));
+      if (v.software === 'Pleroma' && !get(response.data, ['pleroma', 'metadata'])) {
+        dispatch(fetchNodeinfo()); // Pleroma < 2.1 backwards compatibility
+      }
     }).catch(error => {
       dispatch(instanceFail(error));
     });
   };
 }
 
+export function fetchNodeinfo() {
+  return (dispatch, getState) => {
+    api(getState).get('/nodeinfo/2.1.json').then(response => {
+      dispatch(importNodeinfo(response.data));
+    }).catch(error => {
+      dispatch(nodeinfoFail(error));
+    });
+  };
+}
+
 export function importInstance(instance) {
   return {
     type: INSTANCE_IMPORT,
@@ -27,3 +45,18 @@ export function instanceFail(error) {
     skipAlert: true,
   };
 };
+
+export function importNodeinfo(nodeinfo) {
+  return {
+    type: NODEINFO_IMPORT,
+    nodeinfo,
+  };
+}
+
+export function nodeinfoFail(error) {
+  return {
+    type: NODEINFO_FAIL,
+    error,
+    skipAlert: true,
+  };
+};